Coastal Waters Forecast
Issued by NWS Lake Charles, LA

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FZUS54 KLCH 090607
CWFLCH

Coastal Waters Forecast
National Weather Service Lake Charles LA
1207 AM CST Tue Dec 9 2025

Coastal waters from the Lower Atchafalaya River LA to High
Island TX out 60 nautical miles including Sabine and
Calcasieu Lakes and Vermilion and Cote Blanche Bays

Seas are provided as a range of the average height of the
highest one third of the waves, along with the occasional
height of the average highest ten percent of the waves.

GMZ400-091900-
1207 AM CST Tue Dec 9 2025

.Synopsis for Lower Atchafalaya River LA to High Island TX out
60 NM including Sabine and Calcasieu Lakes and Vermilion and Cote
Blanche Bays...

High pressure centered over lower Mississippi River valley will move
off to the east today allowing for a light easterly flow over the
coastal waters, then becoming light southerly on Wednesday. A weak
dry cold front will move into the coastal waters late Wednesday to
bring a brief period of light to modest offshore winds before winds
again become onshore by the end of the week. No significant shower
activity is expected through the end of the week.

$$

GMZ430-091900-
Sabine Lake-
1207 AM CST Tue Dec 9 2025

.TODAY...East winds around 5 knots, becoming southeast this
afternoon. Lake waters smooth.
.TONIGHT...South winds 5 to 10 knots. Lake waters light chop.
.WEDNESDAY...West winds 5 to 10 knots. Lake waters light chop.
.WEDNESDAY NIGHT...North winds 5 to 10 knots. Lake waters light
chop.
.THURSDAY...East winds 5 to 10 knots, becoming southeast in the
afternoon. Lake waters light chop.
.THURSDAY NIGHT...South winds around 5 knots. Lake waters smooth.
.FRIDAY...South winds 5 to 10 knots. Lake waters light chop.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots. Lake waters light
chop.
.SATURDAY...Southeast winds 5 to 10 knots. Lake waters light
chop.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots, becoming east
after midnight. Lake waters light chop.

$$

GMZ432-091900-
Calcasieu Lake-
1207 AM CST Tue Dec 9 2025

.TODAY...East winds around 5 knots, becoming south around 5 knots
this afternoon. Lake waters smooth.
.TONIGHT...South winds 5 to 10 knots. Lake waters light chop.
.WEDNESDAY...West winds 5 to 10 knots. Lake waters light chop.
.WEDNESDAY NIGHT...Northwest winds 5 to 10 knots, becoming
northeast after midnight. Lake waters light chop.
.THURSDAY...Northeast winds 5 to 10 knots, becoming southeast in
the afternoon. Lake waters light chop.
.THURSDAY NIGHT...South winds 5 to 10 knots. Lake waters light
chop.
.FRIDAY...South winds 5 to 10 knots. Lake waters light chop.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots. Lake waters light
chop.
.SATURDAY...Southeast winds 5 to 10 knots. Lake waters light
chop.
.SATURDAY NIGHT...East winds around 10 knots. Lake waters light
chop.

$$

GMZ435-091900-
Vermilion and West Cote Blanche Bays-
1207 AM CST Tue Dec 9 2025

.TODAY...East winds 5 to 10 knots, becoming southeast late. Bay
waters light chop.
.TONIGHT...South winds around 5 knots, increasing to 5 to
10 knots after midnight. Bay waters light chop.
.WEDNESDAY...West winds 5 to 10 knots. Bay waters light chop.
.WEDNESDAY NIGHT...Northwest winds around 5 knots, becoming north
after midnight. Bay waters light chop.
.THURSDAY...Northeast winds 5 to 10 knots, becoming southeast in
the afternoon. Bay waters light chop.
.THURSDAY NIGHT...Southeast winds around 5 knots. Bay waters
smooth.
.FRIDAY...South winds 5 to 10 knots. Bay waters light chop.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters light
chop.
.SATURDAY...Southeast winds 5 to 10 knots. Bay waters light chop.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters light
chop.

$$

GMZ436-091900-
Atchafalaya and East Cote Blanche Bays-
1207 AM CST Tue Dec 9 2025

.TODAY...East winds 5 to 10 knots, becoming southeast late. Bay
waters light chop.
.TONIGHT...South winds around 5 knots. Bay waters smooth.
.WEDNESDAY...West winds 5 to 10 knots. Bay waters light chop.
.WEDNESDAY NIGHT...Northwest winds around 5 knots, becoming north
after midnight. Bay waters smooth.
.THURSDAY...Northeast winds around 5 knots, becoming southeast in
the afternoon. Bay waters smooth.
.THURSDAY NIGHT...Southeast winds around 5 knots. Bay waters
smooth.
.FRIDAY...Southeast winds around 5 knots. Bay waters smooth.
.FRIDAY NIGHT...Southeast winds around 5 knots. Bay waters
smooth.
.SATURDAY...Southeast winds 5 to 10 knots. Bay waters light chop.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters light
chop.

$$

GMZ450-091900-
Coastal waters from Cameron LA to High Island TX out 20 NM-
1207 AM CST Tue Dec 9 2025

.TODAY...East winds 5 to 10 knots, becoming southeast late. Seas
around 2 feet this morning, then 1 foot or less. Wave Detail:
East 2 feet at 4 seconds, becoming east 1 foot at 4 seconds.
.TONIGHT...South winds 5 to 10 knots, becoming southwest 10 to
15 knots after midnight. Seas 1 foot or less, then around 2 feet
after midnight. Wave Detail: South 1 foot at 3 seconds, becoming
south 2 feet at 3 seconds.
.WEDNESDAY...West winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southwest 2 feet at 4 seconds.
.WEDNESDAY NIGHT...Northwest winds 5 to 10 knots, becoming
northeast after midnight. Seas 1 foot or less. Wave Detail:
Southwest 1 foot at 4 seconds.
.THURSDAY...Northeast winds 5 to 10 knots, becoming southeast in
the afternoon. Seas 1 foot or less. Wave Detail: East 1 foot at
3 seconds.
.THURSDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: Southeast 1 foot at 3 seconds.
.FRIDAY...South winds 5 to 10 knots. Seas 1 foot or less, then
around 2 feet in the afternoon.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots. Seas around
2 feet.
.SATURDAY...Southeast winds around 10 knots. Seas around 2 feet.
.SATURDAY NIGHT...Southeast winds around 10 knots. Seas around
2 feet. A slight chance of showers after midnight.

$$

GMZ452-091900-
Coastal waters from Intracoastal City to Cameron LA out 20 NM-
1207 AM CST Tue Dec 9 2025

.TODAY...East winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: East 1 foot at 3 seconds.
.TONIGHT...Southeast winds 5 to 10 knots, becoming southwest
after midnight. Seas 1 foot or less, then around 2 feet after
midnight. Wave Detail: South 1 foot at 2 seconds, becoming south
2 feet at 3 seconds.
.WEDNESDAY...West winds around 10 knots. Seas around 2 feet. Wave
Detail: Southwest 2 feet at 4 seconds.
.WEDNESDAY NIGHT...Northwest winds 5 to 10 knots, becoming
northeast after midnight. Seas around 2 feet. Wave Detail:
Southwest 1 foot at 4 seconds.
.THURSDAY...Northeast winds around 10 knots, becoming southeast
in the afternoon. Seas around 2 feet in the morning, then 1 foot
or less. Wave Detail: East 1 foot at 3 seconds, becoming
southeast 1 foot at 3 seconds.
.THURSDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: Southeast 1 foot at 4 seconds.
.FRIDAY...South winds 5 to 10 knots. Seas 1 foot or less.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots. Seas around
2 feet.
.SATURDAY...Southeast winds around 10 knots. Seas around 2 feet.
.SATURDAY NIGHT...East winds around 10 knots. Seas around 2 feet.
A slight chance of showers after midnight.

$$

GMZ455-091900-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA out 20 NM-
1207 AM CST Tue Dec 9 2025

.TODAY...East winds 5 to 10 knots, diminishing to around 5 knots
late. Seas 1 foot or less. Wave Detail: East 1 foot at 2 seconds.
.TONIGHT...Southeast winds around 5 knots, becoming south after
midnight. Seas 1 foot or less. Wave Detail: South 1 foot at
2 seconds.
.WEDNESDAY...West winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: Southwest 1 foot at 3 seconds.
.WEDNESDAY NIGHT...Northwest winds around 5 knots, becoming north
after midnight. Seas 1 foot or less. Wave Detail: Southwest
1 foot at 3 seconds.
.THURSDAY...Northeast winds 5 to 10 knots, becoming southeast in
the afternoon. Seas 1 foot or less. Wave Detail: Northeast 1 foot
at 3 seconds.
.THURSDAY NIGHT...Southeast winds around 5 knots. Seas 1 foot or
less. Wave Detail: Southeast 1 foot at 3 seconds.
.FRIDAY...Southeast winds 5 to 10 knots. Seas 1 foot or less.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or
less.
.SATURDAY...Southeast winds 5 to 10 knots. Seas around 2 feet.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas around
2 feet. A slight chance of showers after midnight.

$$

GMZ470-091900-
Coastal waters from Cameron LA to High Island TX from 20 to 60 NM-
1207 AM CST Tue Dec 9 2025

.TODAY...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Northeast 2 feet at 4 seconds.
.TONIGHT...South winds 5 to 10 knots, becoming southwest after
midnight. Seas around 2 feet. Wave Detail: Southeast 2 feet at
4 seconds.
.WEDNESDAY...West winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southwest 2 feet at 4 seconds and east 1 foot at
5 seconds.
.WEDNESDAY NIGHT...Northwest winds 5 to 10 knots, becoming
northeast after midnight. Seas around 2 feet. Wave Detail: South
1 foot at 5 seconds.
.THURSDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 1 foot at 5 seconds.
.THURSDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: Southeast 1 foot at 5 seconds.
.FRIDAY...South winds around 10 knots. Seas around 2 feet.
.FRIDAY NIGHT...Southeast winds around 10 knots. Seas around
2 feet. A slight chance of showers and thunderstorms after
midnight.
.SATURDAY...Southeast winds around 10 knots. Seas 2 to 3 feet. A
slight chance of showers. A slight chance of thunderstorms in the
afternoon.
.SATURDAY NIGHT...Southeast winds around 10 knots. Seas 2 to
3 feet. A slight chance of showers after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ472-091900-
Coastal waters from Intracoastal City to Cameron LA from 20 to
60 NM-
1207 AM CST Tue Dec 9 2025

.TODAY...Northeast winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Northeast 2 feet at 4 seconds.
.TONIGHT...Southeast winds 5 to 10 knots, becoming southwest
after midnight. Seas 1 foot or less, then around 2 feet after
midnight. Wave Detail: East 1 foot at 5 seconds, becoming
southeast 2 feet at 4 seconds.
.WEDNESDAY...West winds around 10 knots. Seas around 2 feet. Wave
Detail: Southwest 2 feet at 4 seconds and east 1 foot at
6 seconds.
.WEDNESDAY NIGHT...Northwest winds 5 to 10 knots, becoming north
after midnight. Seas around 2 feet. Wave Detail: Southwest 1 foot
at 4 seconds and southeast 1 foot at 6 seconds.
.THURSDAY...Northeast winds around 10 knots, becoming southeast
in the afternoon. Seas around 2 feet. Wave Detail: Southwest
1 foot at 4 seconds and east 1 foot at 6 seconds.
.THURSDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: Southeast 1 foot at 5 seconds.
.FRIDAY...South winds 5 to 10 knots. Seas around 2 feet.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots. Seas around
2 feet. A slight chance of showers and thunderstorms.
.SATURDAY...Southeast winds around 10 knots. Seas 2 to 3 feet. A
slight chance of showers and thunderstorms.
.SATURDAY NIGHT...Southeast winds around 10 knots. Seas 2 to
3 feet. A slight chance of showers.

Winds and seas higher in and near thunderstorms.

$$

GMZ475-091900-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA from 20 to 60 NM-
1207 AM CST Tue Dec 9 2025

.TODAY...Northeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: Northeast 3 feet at 5 seconds.
.TONIGHT...Southeast winds around 5 knots, becoming south after
midnight. Seas around 2 feet. Wave Detail: South 1 foot at
2 seconds and east 1 foot at 5 seconds.
.WEDNESDAY...West winds around 10 knots. Seas around 2 feet. Wave
Detail: Southwest 1 foot at 3 seconds and east 1 foot at
5 seconds.
.WEDNESDAY NIGHT...Northwest winds 5 to 10 knots, becoming north
after midnight. Seas around 2 feet. Wave Detail: West 1 foot at
4 seconds and southeast 1 foot at 6 seconds.
.THURSDAY...Northeast winds around 10 knots, becoming east in the
afternoon. Seas around 2 feet. Wave Detail: West 1 foot at
4 seconds and east 1 foot at 6 seconds.
.THURSDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: Southeast 1 foot at 5 seconds.
.FRIDAY...South winds 5 to 10 knots. Seas around 2 feet.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots. Seas around
2 feet. A slight chance of showers and thunderstorms.
.SATURDAY...Southeast winds around 10 knots. Seas 2 to 3 feet. A
slight chance of showers and thunderstorms.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to
3 feet. A slight chance of thunderstorms in the evening. A slight
chance of showers.

Winds and seas higher in and near thunderstorms.

$$